205116118 has 16 divisors (see below), whose sum is σ = 326817504. Its totient is φ = 96215680.

The previous prime is 205116113. The next prime is 205116127. The reversal of 205116118 is 811611502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 205116092 and 205116101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205116113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 20293.

It is an arithmetic number, because the mean of its divisors is an integer number (20426094).

Almost surely, 2^205116118 is an apocalyptic number.

205116118 is a deficient number, since it is larger than the sum of its proper divisors (121701386).

205116118 is a wasteful number, since it uses less digits than its factorization.

205116118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19367.

The product of its (nonzero) digits is 480, while the sum is 25.

The square root of 205116118 is about 14321.8755056731. The cubic root of 205116118 is about 589.7481621742.

The spelling of 205116118 in words is "two hundred five million, one hundred sixteen thousand, one hundred eighteen".